The "Parti Dawns Lan Mor" was a first started with a group consisting of 10 girls founded by Mrs Mary Parry.Mary was a part of Mrs Charles Hughes Players and now produces and directs her own shows in the town. The cast known as the Mary Parry Players of which the PDLM are a part. The PDLM as they are affectionately known, dress in full Welsh National Costume and dance Welsh Traditional dances and sing Welsh songs. The Welsh dance group had the honour of entertaining the Prince of Wales when he visited the R.A.F. station at Valley on Anglesey.

They sang and danced at Dun Laoghaire National Maritime Museum in Ireland, with the Dublin Welsh Male Voice choir also in attendance. Also at the Celtic Festival at Cemaes Bay, the Anglesey Show to an audience of 30,000, the Llangollen Royal Pavilion and Arena to a very large audience at the Hot Air Balloon Festival, and at Llandudno's Christmas Fare where they danced and sang in the town centre and arcade for thousands of people.

At Oriel Mon in Llangefni - is a replica of the portrait the dance team presented to Prince Charles. They danced and sang at the London Welsh at Jewin, and were invited to tour and sight see the houses of Parliament in London. They danced and sang at Westminster Hall to many tourists, whilst Mary and seven of her senior group entertained 60 members of Parliament at the Speakers' House (Betty Boothroyd) and after entertaining enjoyed a wonderful banquet with the MP's. The following day they had a guided tour of the Commons and the Lords. They auditioned for a TV programme called "Noson Lawen" on the Welsh speaking channel S4C .
The Players and the PDLM dance team have entertained at various venues such as homes for the elderly, pensioners parties, held many many shows in the Town Hall at Holyhead. These events have raised thousands of pounds for charities.

Mary and her daughter had the honour of being invited to Park Lane in London at the Grosvner House Hotel in recognition of Mary's charity work for presenting cancer research with a cheque which was the proceeds from one of her shows, and which Dr. Buckanan from London acknowledged. Mary was in the presence of other charity workers and famous entertainers.